[INFO] cloning repository https://github.com/LucianoBestia/region_folding
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LucianoBestia/region_folding" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLucianoBestia%2Fregion_folding", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLucianoBestia%2Fregion_folding'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 934c5202a1e16d1dee771032ac8f678d5233ec99
[INFO] checking LucianoBestia/region_folding against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLucianoBestia%2Fregion_folding" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LucianoBestia/region_folding on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LucianoBestia/region_folding
[INFO] finished tweaking git repo https://github.com/LucianoBestia/region_folding
[INFO] tweaked toml for git repo https://github.com/LucianoBestia/region_folding written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/LucianoBestia/region_folding already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34a5aeb1c0d4914f687917b5143f50bb31f1e7064e419d67f5b9c9a2829eb7a9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "34a5aeb1c0d4914f687917b5143f50bb31f1e7064e419d67f5b9c9a2829eb7a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34a5aeb1c0d4914f687917b5143f50bb31f1e7064e419d67f5b9c9a2829eb7a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34a5aeb1c0d4914f687917b5143f50bb31f1e7064e419d67f5b9c9a2829eb7a9", kill_on_drop: false }`
[INFO] [stdout] 34a5aeb1c0d4914f687917b5143f50bb31f1e7064e419d67f5b9c9a2829eb7a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ecfd77df5c9c630439f2cc47ccfb92081d0eb4e8040b2da5a28220ab7e199a1c
[INFO] running `Command { std: "docker" "start" "-a" "ecfd77df5c9c630439f2cc47ccfb92081d0eb4e8040b2da5a28220ab7e199a1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking unwrap v1.2.1
[INFO] [stderr]     Checking text-size v1.0.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking region_folding v2020.507.1558 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.31s
[INFO] running `Command { std: "docker" "inspect" "ecfd77df5c9c630439f2cc47ccfb92081d0eb4e8040b2da5a28220ab7e199a1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecfd77df5c9c630439f2cc47ccfb92081d0eb4e8040b2da5a28220ab7e199a1c", kill_on_drop: false }`
[INFO] [stdout] ecfd77df5c9c630439f2cc47ccfb92081d0eb4e8040b2da5a28220ab7e199a1c